Best Open Source langchain Libraries
A curated list of the most popular GitHub repositories tagged with langchain. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1langchain-ai/langchain
The agent engineering platform
#2microsoft/markitdown
Python tool for converting files and office documents to Markdown.
#3FlowiseAI/Flowise
Build AI Agents, Visually
#4BerriAI/litellm
Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]
#5chatchat-space/Langchain-Chatchat
Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain
#6bytedance/deer-flow
An open-source SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skills and subagents, it handles different levels of tasks that could take minutes to hours.
#7langchain-ai/langgraph
Build resilient language agents as graphs.
#8huggingface/agents-course
This repository contains the Hugging Face Agents Course.
#9NirDiamant/RAG_Techniques
This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. RAG systems combine information retrieval with generative models to provide accurate and contextually rich responses.
#10mlflow/mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
#11comet-ml/opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
#12meta-llama/llama-cookbook
Welcome to the Llama Cookbook! This is your go to guide for Building with Llama: Getting started with Inference, Fine-Tuning, RAG. We also show you how to solve end to end problems using Llama model family and using them on various provider services
#13mayooear/ai-pdf-chatbot-langchain
AI PDF chatbot agent built with LangChain & LangGraph
#14GoogleCloudPlatform/generative-ai
Sample code and notebooks for Generative AI on Google Cloud, with Gemini on Vertex AI
#15cloudwego/eino
The ultimate LLM/AI application development framework in Go.
#16kyrolabs/awesome-langchain
😎 Awesome list of tools and projects with the awesome LangChain framework
#17Arize-ai/phoenix
AI Observability & Evaluation
#18tmc/langchaingo
LangChain for Go, the easiest way to write LLM-based programs in Go
#19liaokongVFX/LangChain-Chinese-Getting-Started-Guide
LangChain 的中文入门教程
#20argilla-io/argilla
Argilla is a collaboration tool for AI engineers and domain experts to build high-quality datasets
#21datawhalechina/all-in-rag
🔍大模型应用开发实战一：RAG 技术全栈指南，在线阅读地址：https://datawhalechina.github.io/all-in-rag/
#22pipeshub-ai/pipeshub-ai
PipesHub is a fully extensible and explainable workplace AI platform for enterprise search and workflow automation
#23plastic-labs/honcho
Memory library for building stateful agents
#24chopratejas/headroom
The Context Optimization Layer for LLM Applications